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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.configserver;
import com.yahoo.vespa.hosted.node.admin.nodeadmin.ConvergenceException;
import javax.ws.rs.core.Response;
/**
* @author hakonhall
*/
@SuppressWarnings("serial")
public class HttpException extends ConvergenceException {
private final boolean isRetryable;
private HttpException(int statusCode, String message, boolean isRetryable) {
super("HTTP status code " + statusCode + ": " + message, null, !isRetryable);
this.isRetryable = isRetryable;
}
private HttpException(Response.Status status, String message, boolean isRetryable) {
super(status.toString() + " (" + status.getStatusCode() + "): " + message, null, !isRetryable);
this.isRetryable = isRetryable;
}
boolean isRetryable() {
return isRetryable;
}
/**
* Returns on success.
* @throws HttpException for all non-expected status codes.
*/
static void handleStatusCode(int statusCode, String message) {
Response.Status status = Response.Status.fromStatusCode(statusCode);
if (status == null) {
throw new HttpException(statusCode, message, true);
}
switch (status.getFamily()) {
case SUCCESSFUL: return;
case CLIENT_ERROR:
switch (status) {
case FORBIDDEN:
throw new ForbiddenException(message);
case NOT_FOUND:
throw new NotFoundException(message);
case CONFLICT:
// A response body is assumed to be present, and
// will later be interpreted as an error.
return;
}
throw new HttpException(status, message, false);
}
// Other errors like server-side errors are assumed to be NOT retryable,
// in case retries would put additional load on a bogged down server.
throw new HttpException(status, message, false);
}
public static class NotFoundException extends HttpException {
public NotFoundException(String message) {
super(Response.Status.NOT_FOUND, message, false);
}
}
public static class ForbiddenException extends HttpException {
public ForbiddenException(String message) {
super(Response.Status.FORBIDDEN, message, false);
}
}
}
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